%{
    This file is part of StemCellQC, a video bioinformatics software
    toolkit for analysis of phase contrast microscopy videos.
    Copyright 2013-2015 Vincent On. [vincenton001-at-gmail.com]

    StemCellQC is free software: you can redistribute it and/or 
    modify it under the terms of the GNU General Public License as 
    published by the Free Software Foundation, either version 3 of the 
    License, or (at your option) any later version.

    StemCellQC is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with StemCellQC.  If not, see <http://www.gnu.org/licenses/>.
%}

%compute minimum bounding box for a set of points
% points = m x 2 matrix, m is the number of observations, observations are
% all listed as [y, x]
function b = bounding_box_points( points )

x_min = min( points(:,1));
x_max = max( points(:,1));
y_min = min( points(:,2));
y_max = max( points(:,2));

b = [ y_min y_max x_min x_max ];